膏桐,又名小桐子、麻风树、宾麻、老胖果等,是低海拔地区的木本油料树种,适合干热河谷地带栽植。膏桐种子含油率高,一般为20%～40%,为不干性油,可用于生产生物柴油,是公认的最具开发潜力的洁净替代能源。云南省会泽县娜姑镇小江干热河谷地区独特的自然环境条件、丰富的膏桐种质资源,为会泽县发展膏桐生物质能源产业创造了有利条件。一、造林栽培技术 Tongue, also known as jatropha, jatropha, perennial, old fat and so on, is a woody oilseed species at low altitude, suitable for dry and hot valley planting. Macadamia seed high oil content, usually 20% to 40%, as a dry oil, can be used to produce biodiesel, is recognized as the most development potential of clean alternative energy. The unique natural environment conditions and rich germplasm resources of Castanopsis kawakamii in Ngau dry-hot valley in Huize County, Yunnan province, have created favorable conditions for the development of the biomass industry in Huitze County. First, afforestation and cultivation techniques